Editors' Introduction -- Analysis of data sources and network analysis -- Advancement of methodology for research assessment -- Science systems and research policy -- New indicators for research assessment -- Advancement of methodology for patent analysis -- Patent system, patents and economics

Trends in the research output and impact of universities in the Netherlands are examined, as reflected in scientific articles in journals pro-cessed for the Science Citation Index. At the level of sub fields in the natural, technical and life sciences, there has been hardly any concentration of...

During the past decades, journal impact data obtained from the Journal Citation Reports (JCR) have gained relevance in library management, research management and research evaluation. Hence, both information scientists and bibliometricians share the responsibility towards the users of the JCR to...